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What are active galaxies powered by?

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Anonymous

14y ago
Updated: 8/17/2019

A central, supermassive black hole.

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Wiki User

14y ago

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Active galaxies are thought to be powered by?

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What are distant galaxies with black holes in their centers called?

There have been some suggestions that the objects called quasars might be extremely active galaxies with unusually supermassive black holes at their centers at such great distance from us that it is not possible for telescopes to resolve their galactic structure, making them just look like very bright stars (quasi-stellar objects). However this has not been verified.If these suggestions are correct, these extremely active galaxies must be so distant that the light we are seeing from them must have been emitted only a short time after the big bang began, in the initial cycle of star formation, which would make them the earliest galaxies formed and likely very young galaxies. However if they are this young these extremely active galaxies might have galactic structures so different from the galaxies we are familiar with that even if our telescopes could resolve them, we might not recognize them as galaxies.


What is the difference between active load and passive load?

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What do active galaxies differ from normal galaxies?

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What galaxies have mostly old stars without a lot of active star formation?

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What do all active galaxies have in common?

In theory, all galaxies originate from the Big Bang, which is the name that describes the explosion that propelled all matter into the cosmos. All galaxies are moving. All galaxies produce energy like light and gravity. Think of galaxies like you would human beings. Although very different in some ways, they are mostly the same.